[Bug target/53877] __lzcnt_u16/__lzcnt_u32/__lzcnt_u64 aren't implemented

[kirill.yukhin at intel dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53877

--- Comment #3 from Yukhin Kirill <kirill.yukhin at intel dot com> 2012-07-20 
08:58:17 UTC ---
Done.